CDL PRACTICE TEST (SC) - GENERAL KNOWLEDGE TEST
41.
Transporting hanging meat requires special attention. Why?
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Because you have to drive fast to get it delivered fresh.
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Because refrigerated trucks have less traction.
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Because hanging meat can be an unstable load with a high center of gravity.
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All of the above.
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42.
If ABS is not working, you should:
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use the parking brake.
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brake as you always have.
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slow down and use a lower gear.
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put on your 4-way emergency flashers.
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43.
You must have at least ________ tread depth in every major groove on front tires.
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2/32 inch
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1/2 inch
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1/16 inch
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4/32 inch
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44.
If you find anything unsafe during the pre-trip inspection, you are required to:
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write it in your inspection report.
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get it fixed before driving.
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inform your motor carrier after the trip.
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drive cautiously until it is fixed.
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45.
_______ is the distance your vehicle travels, in ideal conditions, from the time you see a hazard until your brain recognizes it.
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Total stopping distance
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Reaction distance
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Braking distance
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Perception distance
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46.
The tractor protection valve:
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keeps your wheels from locking up when you brake hard.
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keeps air in the brake system should the trailer develop a bad leak.
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keeps air from going out if the air compressor develops a leak.
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prevents the trailer from being accidentally released.
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47.
Reaction distance is the distance you will continue to travel, in ideal conditions:
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before you physically hit the brakes.
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from the time your eyes see a hazard until your brain recognizes it.
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before the vehicle comes to a complete stop.
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All of the above.
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48.
Most heavy vehicles require ________ change gears.
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single clutching
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triple shifting
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double clutching
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double shifting
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49.
If you are traveling at 55 mph in a 30 foot vehicle, how many seconds of following distance should you have?
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5 seconds
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4 seconds
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2 seconds
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3 seconds
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50.
The most important way to see the sides and rear of your vehicle is to:
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look at your line of travel.
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look out the window.
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check your mirrors regularly.
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get out and walk around the vehicle.
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